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config.go
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config.go
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package config
import (
"os"
"strconv"
)
type Config struct {
DBHost string
DBUser string
DBPassword string
DBName string
DBPort string
JWTPrivateKey string
JWTTTL int
}
func NewConfig() *Config {
return &Config{
DBHost: getEnvOrDefault("DB_HOST", "localhost"),
DBUser: getEnvOrDefault("DB_USER", "username"),
DBPassword: getEnvOrDefault("DB_PASSWORD", "password"),
DBName: getEnvOrDefault("DB_NAME", "dbname"),
DBPort: getEnvOrDefault("DB_PORT", "5432"),
JWTPrivateKey: getEnvOrDefault("JWT_PRIVATE_KEY", "your-secret-key"),
JWTTTL: parseIntEnvOrDefault("JWT_TTL", 30),
}
}
func getEnvOrDefault(envName string, defaultValue string) string {
value := os.Getenv(envName)
if value == "" {
return defaultValue
}
return value
}
func parseIntEnvOrDefault(envName string, defaultValue int) int {
valStr := os.Getenv(envName)
if valStr == "" {
return defaultValue
}
val, err := strconv.Atoi(valStr)
if err != nil {
return defaultValue
}
return val
}